pith. sign in
Pith Number

pith:4OOJKZHM

pith:2018:4OOJKZHM67MIWAKNNT2MUCQ7QM
not attested not anchored not stored refs pending

Center-of-mass angular momentum and memory effect in asymptotically flat spacetimes

David A. Nichols

arxiv:1807.08767 v2 · 2018-07-23 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4OOJKZHM67MIWAKNNT2MUCQ7QM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T00:05:30.289338Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e39c9564ecf7d88b014d6cf4ca0a1f833c1fef1b8d897fe742ccac34a500c96b

Aliases

arxiv: 1807.08767 · arxiv_version: 1807.08767v2 · doi: 10.48550/arxiv.1807.08767 · pith_short_12: 4OOJKZHM67MI · pith_short_16: 4OOJKZHM67MIWAKN · pith_short_8: 4OOJKZHM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4OOJKZHM67MIWAKNNT2MUCQ7QM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e39c9564ecf7d88b014d6cf4ca0a1f833c1fef1b8d897fe742ccac34a500c96b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "811509d54a7c873e02c19a86a733fb9e30cee33074c4dac50a7023325ac3a8c3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-23T18:00:31Z",
    "title_canon_sha256": "9bca475769eb357a94a5f627879da1d5cca632a20081d5bcd402f690965ba304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08767",
    "kind": "arxiv",
    "version": 2
  }
}